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Stability Study on the Bucket Foundation with Multi-Compartment During the floating-up Process Considering air Compressibility

引用

China Ocean Engineering 2023年第6期37卷 975-988页

作者： YE Fang-di LIAN Ji-jian GUO Yao-hua WANG Hai-jun XIAO Tian-run XIONG Dong-zhi YU Tong-shun State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation Tianjin UniversityTianjin 300072China School of Civil Engineering Tianjin UniversityTianjin 300072China Tianjin University of Technology Tianjin 300384China College of Engineering Ocean University of ChinaQingdao 266100China

In the process of developing offshore wind power towards deeper waters,the advantages of the bucket foundation in terms of integrated construction and economy are becoming increasingly *** contrast to conventional floating bodies,the air-floating bucket foundations can achieve self-floating with the help of the air in the compartment and adjust its buoyancy and stability by controlling the air volume in the *** construction process of the bucket foundation involves the control of air in the compartment,thus making it more difficult to *** after the prefabrication of the bucket foundation,the stability of the bucket foundation at the floating-up stage is particularly *** stability of a multi-compartment bucket foundation during the floating-up process cannot be accurately evaluated as the existing theoretical method of air-floating structures does not adequately consider air *** ensure the safety of the floating-up process,a theoretical method based on the idea of intact stability has been developed to analyze the stability of the air-floating bucket foundations,which will allow accurate calculation of the righting arm for different tilt states and critical air leakage *** the same time,accuracy and feasibility of the proposed theoretical method are verified through indoor model tests and practical operation of the prototype structure during the floating-up *** addition,measures to enhance the stability of the bucket foundation are proposed through sensitivity analysis of influencing factors.

关键词： offshore wind power bucket foundation air-floating structure stability

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